ChassisC1938
CautionSeverity: Caution - get it checked when you can
Park Brake Force Sensor
Key terms: ABS: anti-lock braking, which stops the wheels locking · Stability control: helps stop the car skidding · Wheel speed sensor: measures how fast each wheel turns
1What it means in plain English
A chassis system has a fault, usually ABS, traction control or stability control, but some makes use this range for airbags, electric power steering or park brakes.
2Common causes
- Faulty wheel speed sensor
- Damaged sensor ring or wiring
- Faulty ABS module
- Low brake fluid
- Wheel bearing damage
3Can I drive?
The braking system may be affected. Have it checked promptly; if the pedal feels abnormal, the car pulls when braking, or a brake warning light is on, stop safely.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 8
| Brand | Code | Description | System |
|---|---|---|---|
| Daewoo | C1938 | No description available | Chassis |
| GM | C1938 | No description available | Chassis |
| Holden | C1938 | Park Brake Force Sensor Brand | Chassis |
| Opel | C1938 | No description available | Chassis |
| Peugeot | C1938 | No description available | Chassis |
| Saab | C1938 | No description available | Chassis |
| MG (SAIC) | C1938 | Force Signal Is Invalid Brand | Chassis |
| Toyota | C1938 | No description available | Chassis |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 1
These 7-character codes are manufacturer-specific variants of C1938 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | C193800 | Lenkradwinkelsensor Interner Fehler Brand | Chassis |
6Related codes
Browse Cxxx codes or C193xx codes.